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Tim Dodge wrote: |
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> Hi, |
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> |
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> I'm attempting to build an arm-xscale-linux-uclibc toolchain that uses |
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> soft-float, so that I can build a version of gentoo for my zaurus c860. |
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> |
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> Without soft-float, everything seems to be okay - I've managed to build |
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> a 2.6 kernel that boots into a minimal root fs. |
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> |
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> I have managed to build a soft-float version of the toolchain, but now |
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> nothing will link, I'm getting undefined references to the float |
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> functions like so: |
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> |
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> configure:1644: checking for C compiler default output |
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> configure:1647: arm-xscale-linux-uclibc-gcc -Os -pipe |
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> -march=armv5te -mtune=xscale conftest.c >&5 |
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> |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__eqdf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__floatsidf' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__ltdf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__extendsfdf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__adddf3' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__fixdfsi' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__divdf3' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__muldf3' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__truncdfsf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__nedf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__gedf2' |
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> /usr/lib/gcc/arm-xscale-linux-uclibc/3.4.3-20050110/../../../../arm-xscale-linux-uclibc/lib/libc.so: |
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> undefined reference to `__subdf3' |
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> collect2: ld returned 1 exit status |
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> |
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> I'm using gcc-3.4.3.20050110-r2.ebuild and uclibc-0.9.27.ebuild. |
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> |
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> I was under the impression that the soft-float routines had been added |
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> to gcc since v3.4, and that libfloat is no longer required. |
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> |
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> Any idea what I'm doing wrong? |
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> |
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> Cheers, |
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> Tim |
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|
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I've managed to successfully build the soft-float toolchain using these |
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two patches from openembedded. |
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|
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I needed to alter the uclibc ebuild to also unset HAS_FPU, and build gcc |
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using EXTRA_ECONF="--with-float=soft". |
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|
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Cheers, |
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Tim |
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